#73 David Filo

Battle of the search engines continues. After dropping Google last year, Yahoo revamped its own engine; now claims to scour more than 20 billion Web pages, images. Met partner Jerry Yang at Stanford. As grad students turned Internet search engine project into popular Web portal. Went public 1996. Strong revenue growth pushing stock to pre-Internet-bubble prices: shares up 760% since alltime low in September 2001. Yang: Taiwanese immigrant, arrived California at age 10. Filo: directs technical end of operations. Pair remain company's public faces; business run by former Warner Bros. boss Terry Semel.